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Finding the Fourth Proportional to 109,253.87, 163,825.91 and 63,676.25

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Solution

The fourth proportional to 109,253.87, 163,825.91 and 63,676.25 is: 95,482.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,253.87 : 163,825.91 = 63,676.25 : x
  2. Step 2: Convert to fraction form
    109,253.87/163,825.91 = 63,676.25/x
  3. Step 3: Cross multiply
    109,253.87x = 163,825.91 × 63,676.25
  4. Step 4: Simplify right side
    109,253.87x = 10,431,819,601.64
  5. Step 5: Solve for x
    x = 10,431,819,601.64/109,253.87
  6. Step 6: Final answer
    x = 95,482.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.